1 files changed, 78 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/pc/e2e/stats_poller.cc b/third_party/libwebrtc/test/pc/e2e/stats_poller.cc
new file mode 100644
index 0000000000..c04805fb20
--- /dev/null
+++ b/third_party/libwebrtc/test/pc/e2e/stats_poller.cc
@@ -0,0 +1,78 @@
+/*
+ *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "test/pc/e2e/stats_poller.h"
+
+#include <utility>
+
+#include "rtc_base/logging.h"
+#include "rtc_base/synchronization/mutex.h"
+
+namespace webrtc {
+namespace webrtc_pc_e2e {
+
+void InternalStatsObserver::PollStats() {
+  peer_->GetStats(this);
+}
+
+void InternalStatsObserver::OnStatsDelivered(
+    const rtc::scoped_refptr<const RTCStatsReport>& report) {
+  for (auto* observer : observers_) {
+    observer->OnStatsReports(pc_label_, report);
+  }
+}
+
+StatsPoller::StatsPoller(std::vector<StatsObserverInterface*> observers,
+                         std::map<std::string, StatsProvider*> peers)
+    : observers_(std::move(observers)) {
+  webrtc::MutexLock lock(&mutex_);
+  for (auto& peer : peers) {
+    pollers_.push_back(rtc::make_ref_counted<InternalStatsObserver>(
+        peer.first, peer.second, observers_));
+  }
+}
+
+StatsPoller::StatsPoller(std::vector<StatsObserverInterface*> observers,
+                         std::map<std::string, TestPeer*> peers)
+    : observers_(std::move(observers)) {
+  webrtc::MutexLock lock(&mutex_);
+  for (auto& peer : peers) {
+    pollers_.push_back(rtc::make_ref_counted<InternalStatsObserver>(
+        peer.first, peer.second, observers_));
+  }
+}
+
+void StatsPoller::PollStatsAndNotifyObservers() {
+  webrtc::MutexLock lock(&mutex_);
+  for (auto& poller : pollers_) {
+    poller->PollStats();
+  }
+}
+
+void StatsPoller::RegisterParticipantInCall(absl::string_view peer_name,
+                                            StatsProvider* peer) {
+  webrtc::MutexLock lock(&mutex_);
+  pollers_.push_back(rtc::make_ref_counted<InternalStatsObserver>(
+      peer_name, peer, observers_));
+}
+
+bool StatsPoller::UnregisterParticipantInCall(absl::string_view peer_name) {
+  webrtc::MutexLock lock(&mutex_);
+  for (auto it = pollers_.begin(); it != pollers_.end(); ++it) {
+    if ((*it)->pc_label() == peer_name) {
+      pollers_.erase(it);
+      return true;
+    }
+  }
+  return false;
+}
+
+}  // namespace webrtc_pc_e2e
+}  // namespace webrtc